EP2176643A4 - Optical sensing system for liquid fuels - Google Patents

Optical sensing system for liquid fuels

Info

Publication number
EP2176643A4
EP2176643A4 EP08783119.4A EP08783119A EP2176643A4 EP 2176643 A4 EP2176643 A4 EP 2176643A4 EP 08783119 A EP08783119 A EP 08783119A EP 2176643 A4 EP2176643 A4 EP 2176643A4
Authority
EP
European Patent Office
Prior art keywords
sensing system
optical sensing
liquid fuels
fuels
liquid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP08783119.4A
Other languages
German (de)
French (fr)
Other versions
EP2176643A1 (en
Inventor
Carlos Kenichi Suzuki
Edmilton Gusken
Allan Caro Mercado
Eric Fujiwara
Eduardo Ono
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Universidade Estadual de Campinas UNICAMP
Original Assignee
Universidade Estadual de Campinas UNICAMP
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Universidade Estadual de Campinas UNICAMP filed Critical Universidade Estadual de Campinas UNICAMP
Publication of EP2176643A1 publication Critical patent/EP2176643A1/en
Publication of EP2176643A4 publication Critical patent/EP2176643A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/43—Refractivity; Phase-affecting properties, e.g. optical path length by measuring critical angle
    • G01N21/431—Dip refractometers, e.g. using optical fibres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/26—Oils; Viscous liquids; Paints; Inks
    • G01N33/28—Oils, i.e. hydrocarbon liquids
    • G01N33/2835—Specific substances contained in the oils or fuels
    • G01N33/2852—Alcohol in fuels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/4133—Refractometers, e.g. differential
    • G01N2021/414—Correcting temperature effect in refractometers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/43—Refractivity; Phase-affecting properties, e.g. optical path length by measuring critical angle
    • G01N21/431—Dip refractometers, e.g. using optical fibres
    • G01N2021/432—Dip refractometers, e.g. using optical fibres comprising optical fibres
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/12—Circuits of general importance; Signal processing
    • G01N2201/121—Correction signals
    • G01N2201/1211—Correction signals for temperature

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
EP08783119.4A 2007-08-06 2008-08-06 Optical sensing system for liquid fuels Withdrawn EP2176643A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BRPI0703260A BRPI0703260B1 (en) 2007-08-06 2007-08-06 optical sensing system for liquid fuels
PCT/BR2008/000231 WO2009018638A1 (en) 2007-08-06 2008-08-06 Optical sensing system for liquid fuels

Publications (2)

Publication Number Publication Date
EP2176643A1 EP2176643A1 (en) 2010-04-21
EP2176643A4 true EP2176643A4 (en) 2014-04-30

Family

ID=40340898

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08783119.4A Withdrawn EP2176643A4 (en) 2007-08-06 2008-08-06 Optical sensing system for liquid fuels

Country Status (4)

Country Link
US (1) US8228489B2 (en)
EP (1) EP2176643A4 (en)
BR (1) BRPI0703260B1 (en)
WO (1) WO2009018638A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200742847A (en) * 2006-05-15 2007-11-16 Syspotek Corp Refractive fuel-concentration detecto
US20100305885A1 (en) * 2009-05-27 2010-12-02 Enraf B. V. System and method for detecting adulteration of fuel or other material using wireless measurements
CN106706542B (en) 2011-06-07 2020-03-27 精量电子(美国)有限公司 Low-temperature safety sensor assembly and fluid sensor
US9423392B1 (en) * 2011-10-10 2016-08-23 The Boeing Company Methods and systems for indicating and determining fuel properties
KR102025972B1 (en) 2012-10-23 2019-09-26 코치 유니버시티 A method and an apparatus for the detection of a tagging material in fluids
WO2014087359A1 (en) 2012-12-06 2014-06-12 Indian Oil Corporation Limited Methodology for detection of kerosene adulteration in gasoline, motor spirit, aviation turbine fuel and diesel with intrinsic marker
WO2016010494A1 (en) 2014-07-17 2016-01-21 Kuantag Nanoteknolojiler Geliştirme Ve Üretim A.Ş. A fluorescent substance detection system
CN104266972A (en) * 2014-10-08 2015-01-07 东北大学 Method for manufacturing optical fiber type liquid refractive index detection tank
CN104677842A (en) * 2015-02-04 2015-06-03 朱建钦 Liquid identification device and liquid identification analysis method thereof
US20160371704A1 (en) 2015-06-18 2016-12-22 Kuantag Nanoteknolojiler Gelistirme Ve Uretim A.S. Integrated fuel tracking system
WO2018162297A1 (en) 2017-03-07 2018-09-13 Sony Corporation System, method and computer program
US11262298B2 (en) * 2018-08-30 2022-03-01 Caterpillar Inc. System and method for determining fluid origin
DE102018133501A1 (en) * 2018-12-21 2020-06-25 Arianegroup Gmbh Determination of the concentration of at least one substance in a gas space

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0464793A2 (en) * 1990-07-03 1992-01-08 Mitsubishi Denki Kabushiki Kaisha Liquid content detecting apparatus and method
FR2725788A1 (en) * 1994-10-12 1996-04-19 Schneider Electric Sa Fibre=optic refractometer with integrated beam separators
FR2888324A1 (en) * 2005-07-05 2007-01-12 Peugeot Citroen Automobiles Sa Fluid e.g. fuel, refraction index determining device for e.g. petrol vehicle, has light source injecting light beam into arm of separation system of Y shape, where separation system is junction of optical fibers comprising three branches

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01257245A (en) * 1987-09-22 1989-10-13 Nkk Corp Measuring apparatus for mixing ratio of fuel for internal combustion engine
JP2518313B2 (en) * 1987-10-26 1996-07-24 三菱自動車工業株式会社 Control device for internal combustion engine
SU1755123A1 (en) * 1989-07-26 1992-08-15 Ульяновское высшее военно-техническое училище им.Богдана Хмельницкого Fiber-optics refractometer
JPH04256836A (en) * 1991-02-12 1992-09-11 Ngk Spark Plug Co Ltd Liquid mixing-ratio sensor
US5237983A (en) * 1992-11-06 1993-08-24 Ford Motor Company Method and apparatus for operating an engine having a faulty fuel type sensor
US5534708A (en) * 1993-12-15 1996-07-09 Simmonds Precision Products Inc. Optical fuel/air/water sensor and detector circuit
CN1179210C (en) * 1996-11-01 2004-12-08 英国石油国际有限公司 Testing device and method of use
US5828452A (en) * 1996-12-31 1998-10-27 Dakota Technologies, Inc. Spectroscopic system with a single converter and method for removing overlap in time of detected emissions
US7660494B2 (en) * 2007-08-13 2010-02-09 The Boeing Company Fiber optic fuel detection system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0464793A2 (en) * 1990-07-03 1992-01-08 Mitsubishi Denki Kabushiki Kaisha Liquid content detecting apparatus and method
FR2725788A1 (en) * 1994-10-12 1996-04-19 Schneider Electric Sa Fibre=optic refractometer with integrated beam separators
FR2888324A1 (en) * 2005-07-05 2007-01-12 Peugeot Citroen Automobiles Sa Fluid e.g. fuel, refraction index determining device for e.g. petrol vehicle, has light source injecting light beam into arm of separation system of Y shape, where separation system is junction of optical fibers comprising three branches

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009018638A1 *

Also Published As

Publication number Publication date
BRPI0703260A2 (en) 2009-03-24
BRPI0703260B1 (en) 2018-11-21
US8228489B2 (en) 2012-07-24
WO2009018638A1 (en) 2009-02-12
US20100208243A1 (en) 2010-08-19
EP2176643A1 (en) 2010-04-21

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Legal Events

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A4 Supplementary search report drawn up and despatched

Effective date: 20140327

RIC1 Information provided on ipc code assigned before grant

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Ipc: G01N 33/22 20060101AFI20140321BHEP

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Effective date: 20141028